Phase transformations induced by severe plastic deformation

A Mazilkin, B Straumal, A Kilmametov… - Materials …, 2019 - jstage.jst.go.jp
Severe plastic deformation (SPD) can induce various phase transformations. After a certain
strain, the dynamic equilibrium establishes between defects production by an external force …

Phase transitions in metallic alloys driven by the high pressure torsion

B Straumal, A Korneva, P Zieęba - Archives of Civil and Mechanical …, 2014 - Springer
Severe plastic deformation can lead to the phase transformations in the materials. Even the
severe plastic deformation at ambient temperature is frequently equivalent to the heat …

The α→ ω and β→ ω phase transformations in Ti–Fe alloys under high-pressure torsion

AR Kilmametov, Y Ivanisenko, AA Mazilkin… - Acta Materialia, 2018 - Elsevier
The formation of ω-phase under high-pressure torsion (HPT) has been studied in Ti–Fe
alloys. Seven alloys with Fe concentration from 0 to 10 wt% have been annealed between …

Accelerated diffusion and phase transformations in Co–Cu alloys driven by the severe plastic deformation

BB Straumal, AA Mazilkin, B Baretzky… - Materials …, 2012 - jstage.jst.go.jp
The objective of this work is to prove whether the concept of effective temperature is
applicable to the severe plastic deformation (SPD). This concept was originally developed …

Phase transitions induced by severe plastic deformation: steady-state and equifinality: Paper presented at “XV International Conference on Electron Microscopy”, 15 …

BB Straumal, AR Kilmametov, Y Ivanisenko… - International Journal of …, 2015 - degruyter.com
During severe plastic deformation (SPD), a steady-state is usually reached after a certain
value of strain (ie number of passes during equal-channel pressing or number of rotations …

Phase transitions in Cu-based alloys under high pressure torsion

BB Straumal, AR Kilmametov, A Korneva… - Journal of Alloys and …, 2017 - Elsevier
Severe plastic deformation not only leads to grain refinement but also accelerates mass-
transfer and drives phase transformations in these Cu-based alloys. This review is devoted …

[HTML][HTML] Severe plastic deformation for producing Superfunctional ultrafine-grained and heterostructured materials: An interdisciplinary review

K Edalati, AQ Ahmed, S Akrami, K Ameyama… - Journal of Alloys and …, 2024 - Elsevier
Ultrafine-grained and heterostructured materials are currently of high interest due to their
superior mechanical and functional properties. Severe plastic deformation (SPD) is one of …

Influence of HPT deformation on the structure and properties of amorphous alloys

D Gunderov, V Astanin - Metals, 2020 - mdpi.com
Recent studies showed that structural changes in amorphous alloys under high pressure
torsion (HPT) are determined by their chemical composition and processing regimes. For …

High-pressure torsion driven phase transformations in Cu–Al–Ni shape memory alloys

BB Straumal, AR Kilmametov, GA López… - Acta Materialia, 2017 - Elsevier
Severe plastic deformation (SPD) frequently induces phase transformations like
decomposition of supersaturated solid solution, dissolution of precipitates, amorphization …

Diffusive and displacive phase transitions in Ti–Fe and Ti–Co alloys under high pressure torsion

BB Straumal, AR Kilmametov, Y Ivanisenko… - Journal of Alloys and …, 2018 - Elsevier
The high pressure torsion (HPT) of Ti–4 wt.% Fe and Ti–4 wt.% Co alloys has been studied.
Before HPT, the samples were annealed above and below the temperature of eutectoid …